CVE-2026-31169

MEDIUM
Published Apr 23, 2026 Modified Apr 27, 2026 CWE-77

Description

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the week parameter to /cgi-bin/cstecgi.cgi.

CVSS v3.1 Score

6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS — Exploit Prediction

0.0026
Probability of exploitation
0.50%
Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-77 CWE-77

Affected Products

Vendor Product
totolink a3300r_firmware
totolink a3300r

References

Frequently Asked Questions

What is CVE-2026-31169? +
An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the week parameter to /cgi-bin/cstecgi.cgi. It has a CVSS v3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2026-31169? +
CVE-2026-31169 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0026, placing it in the 0th percentile for exploitation probability.
What products are affected by CVE-2026-31169? +
CVE-2026-31169 affects products from totolink, specifically: a3300r, a3300r_firmware. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2026-31169? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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